Granted Patent
Utility
US 6,288,461 · App. 09/429,953
Electric rotary machine
Inventors:
Hideaki Mori, Tadashi Sonobe, Kado Miyakawa, Hiroshi Kimoto, Takashi Shibata, Shingo Yokoyama
Patented Case
View Patent ↗
Granted: Sep 11, 2001
Filed: Oct 29, 1999
Inventors
Hideaki Mori
Tadashi Sonobe
Kado Miyakawa
Hiroshi Kimoto
Takashi Shibata
Shingo Yokoyama
Assignee (at issue)
HITACHI, LTD.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.